#left_list_and_map{
    top: 50px;
    left: 25px;
    width: 250px;
    height: 460px;
}

#left_list_and_map>.g_title{
    position: relative;
    width: 100px;
    top: 5px;
    left: 5px;
    margin-bottom: 13px;
}

#right_chart{
    top: 50px;
    left: 330px;
    width: 750px;
    height: 260px;
}

#right_list_and_chart{
    top: 335px;
    left: 330px;
    height: 175px;
    width: 750px;
}

#行人交通时变图{
    position: absolute;
    left: 200px;
    top: -20px;
    height: 230px;
    width: 550px;
    border: 2px black;
}

.item{
    position: relative;
    left: 10px;
    text-align: left;
    font-size: 18px;
    font-weight: bolder;
    margin-top: 20px;
    margin-bottom: 20px;
}

.item2{
    position: relative;
    left: 20px;
    text-align: left;
    font-size: 18px;
    font-weight: bolder;
    margin-top: 10px;
    margin-bottom: 10px;
}

#map_con{
    border: white;
    border-radius: 20px;
}